Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.03
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -4.28 -0.375 1.60
Prot (kg) -4.26 -0.441 1.88
Fertility Sub Index 0.79
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.14
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 5.74

* Based on an €80/tonne carbon price